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Krauskopfite & Macdonaldite

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SER728437

Krauskopfite & Macdonaldite

ex David Shannon collection
Type Locality

Description Tabs

Description
Locality: 
Big Creek, Fresno County, California, United States of America
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.5 × 3.1 × 2.1 cm
Description

white veins of krauskopfite with white fibrs of macdonaldite  from the type locality; it comes with an old label

Mineral Data
What's on the rock

Krauskopfite

Formula: 
BaSi2O5·3H2O
Strunz: 
9.DH.30
Crystal System: 
Monoclinic
Hardness: 
4.0
Type Locality: 
Esquire No. 1 claim, Rush Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California, USA

Macdonaldite

Formula: 
BaCa4Si16O36(OH)2·10H2O
Strunz: 
9.EB.05
Crystal System: 
Orthorhombic
Hardness: 
3.5 - 4.0
Type Locality: 
Big Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno Co., California, USA